
Shares of U.S utility Pinnacle West Capital PNW.N down 1% at $94.13
Company posts Q1 net loss of $4.6 million, hurt by higher operating and interest costs, compared with a year-ago profit of $16.9 million
Total operating expenses rise to $975.1 million in Q1 from $884.9 million a year earlier
Interest costs rise to $94.8 million from $86.6 million a year ago
Including session's moves, shares up 11.11% YTD